| Black-eared fairy | |
|---|---|
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Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Clade: | Strisores |
| Order: | Apodiformes |
| Family: | Trochilidae |
| Genus: | Heliothryx |
| Species: | H. auritus |
| Binomial name | |
| Heliothryx auritus (Gmelin, JF, 1788) | |
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The black-eared fairy (Heliothryx auritus) is a species of hummingbird in the subfamily Polytminae, the mangoes. It is found in every mainland South American country except Argentina, Chile, Paraguay, and Uruguay.
The black-eared fairy was formally described in 1788 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae . He placed it with all the other hummingbirds in the genus Trochilus and coined the binomial name Trochilus auritus. [3] Gmelin based his description on "Le grand oiseau-mouche de Cayenne" that had been described by Mathurin Jacques Brisson in 1760 and "L'oiseau-mouche à oreilles" that had been described by the Comte de Buffon in 1779. [4] [5] The black-eared fairy is now placed with the purple-crowned fairy in the genus Heliothryx that was introduced in 1831 by the German zoologist Friedrich Boie. [6] [7] The genus name combines the Ancient Greek hēlios meaning "sun" with thrix meaning "hair". The specific epithet auritus is Latin meaning "-eared". [8] The type locality is Cayenne, French Guiana. [9]
Three subspecies are recognised: [7]
The black-eared fairy and the purple-crowned fairy (H. barroti) were treated as conspecific by some authors but are now considered to be a superspecies; they are the only members of the genus. [10]
The black-eared fairy is 10.1 to 13.7 cm (4.0 to 5.4 in) long and weighs 4 to 6.3 g (0.14 to 0.22 oz). The nominate male has bright shiny green upperparts, pure white underparts, and a long pointed tail which has darkish blue central and white outer feathers. It has a black patch below the eye, glittering purple ear coverts, and a short, straight, black bill. The female is similar but has no purple on the face, its throat and breast have grayish dots, and the three outer pairs of tail feathers have a black band at their base. Immatures have cinnamon fringes on their upperparts' plumage and are otherwise similar to the female. The male H. a. auriculatus has green on the chin and the sides of its throat. The male H. a. phainolaemus has a variable green throat and chin and the female does not have the nominate's gray spots on the underparts. [11]
The calls include "a short high-pitched 'tsit' and richer 'tchip', repeated at intervals." [11]
The nominate subspecies of black-eared fairy is found from southeastern Colombia and eastern Ecuador through northern Brazil north of the Amazon River to northeastern Venezuela and through the Guianas. H. a. phainolaemus is found in the Brazilian states of Pará and Maranhão south of the Amazon. H. a. auriculatus has two separate populations. One is in eastern Peru, central Bolivia, and central Brazil south of the Amazon as far east as the Tapajós River. Its other population is in southeastern Brazil from Bahia south to São Paulo (state) and irregularly further south. The species inhabits the interior and edges of wet primary and secondary forest. In elevation it is most common below 400 m (1,300 ft) but it occurs as high as 800 m (2,600 ft). [11]
The black-eared fairy is believed to be sedentary, but some irregular movements have been reported in southern Brazil. [11]
The black-eared fairy mostly forages in the mid-story and canopy, though in terra firme forest it will forage at all levels. It takes nectar from a variety of flowering plants, both by inserting its bill into the corolla and by piercing the base of the flower to "rob" nectar. It also feeds on small insects on the wing, unlike the purple-crowned fairy. [11]
The black-eared fairy breeds throughout the year. The female alone builds the nest, incubates the eggs, and cares for the young. It makes a small cup nest of plant down on a vertical branch, usually between 3 and 30 m (9.8 and 98 ft) above the ground. The clutch size is two eggs. The incubation time is 15 to 16 days with fledging 23 to 26 days after hatch. It breeds for the first time when in its second year. [11]
The International Union for Conservation of Nature has assessed the black-eared fairy as being of Least Concern, though its population size is not known and believed to be decreasing. [1] It has a very large range, is considered fairly common in parts of it, and occurs in several protected areas. [11]
The ruby-topaz hummingbird, commonly referred to simply as the ruby topaz, is a species of hummingbird in the subfamily Polytminae, the mangoes. It is found in Aruba, Bolivia, Bonaire, Brazil, Colombia, Curaçao, French Guiana, Guyana, Panama, Suriname, Trinidad and Tobago, and Venezuela.
The copper-rumped hummingbird is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is found in Tobago, Trinidad, Venezuela, and possibly Grenada.
The green-throated mango is a species of hummingbird in the subfamily Polytminae. It is found in Brazil, the Guianas, Trinidad, and Venezuela.
The grey-breasted martin is a large swallow from Central and South America.
The rufous-breasted hermit or hairy hermit is a hummingbird that breeds from Panama south to Bolivia, and on Trinidad, Tobago and Grenada. It is a widespread and generally common species, though local populations may change in numbers and disappear altogether in marginal habitat.
The purple-crowned fairy is a species of hummingbird in the subfamily Polytminae, the mangoes. It is found from southeastern Mexico south into northern Peru.
The tropical gnatcatcher is a small active insectivorous songbird, which is a resident species throughout a large part of northern South America. It was formerly considered as conspecific with the white-browed gnatcatcher.
The glittering-throated emerald is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is found in Bolivia, Brazil, Colombia, Ecuador, the Guianas, Peru, Trinidad and Venezuela.
The plain-bellied emerald is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is found in Brazil, the Guianas, and Venezuela.
The amethyst woodstar is a species of hummingbird in tribe Mellisugini of subfamily Trochilinae, the "bee hummingbirds". It is found in every mainland South American country except Chile and Uruguay and has been recorded as a vagrant on Trinidad.
The racket-tailed coquette is a species of hummingbird in the family Trochilidae native to northeastern South America.
The green-throated carib is a species of hummingbird in the subfamily Polytminae. It is found in Puerto Rico and most of the Lesser Antilles.
The swallow-tailed hummingbird is a species in the hummingbird family (Trochilidae), found mainly in east-central South America. Most authorities place it in the genus Eupetomena, although some place it in Campylopterus based on song and the thick shafts of the males' first primaries. Its common name and specific epithet both refer to the long, deeply forked, somewhat swallow-like tail.
Heliothryx is a genus of hummingbird in the family Trochilidae. The genus is assigned to the subfamily Polytminae which is sometimes referred to by the informal name "mangoes".
The rufous-throated sapphire is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is found in Bolivia, Brazil, Colombia, Ecuador, the Guianas, Peru, Venezuela and possibly Argentina and Paraguay.
The fork-tailed woodnymph is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is found in every mainland South American country except Chile and Uruguay.
The violet-capped woodnymph is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is found in Argentina, Brazil, Paraguay, and Uruguay.
The chestnut-belted gnateater is a species of bird in the family Conopophagidae, the gnateaters. It is found in the Amazon Basin of northern Brazil, southern Colombia and eastern Peru and Ecuador; also the Guianan countries of Guyana, Suriname and eastern French Guiana. Its natural habitat is tropical moist lowland forest.
The Cayenne jay is a species of bird in the family Corvidae. It is found in Brazil, French Guiana, Guyana, Suriname, and Venezuela. Its natural habitats are subtropical or tropical moist lowland forest, subtropical or tropical dry shrubland, and heavily degraded former forest.
Van Hasselt's sunbird, is a species of bird in the family Nectariniidae. It is found in Northeast India, Bangladesh and Southeast Asia. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical mangrove forests.
